Vacuum cleaner



FIG. 1 is a bottom, front, right side perspective view of a first embodiment of a vacuum cleaner, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged view of the encircled portion 8 of FIG. 1;

FIG. 9 is a bottom, front, right side perspective view of a second embodiment of the vacuum cleaner;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a right side elevational view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof; and,

FIG. 16 is an enlarged view of the encircled portion 16 of FIG. 9.

The broken lines in the drawings show portions of the vacuum cleaner which form no part of the claimed design. 

CLAIM We claim the ornamental design for a vacuum cleaner, as shown and described. 